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cmake_minimum_required(VERSION 3.18)

set(ROUTINE 1d_r2c_c2r)

project(
  "${ROUTINE}_example"
  DESCRIPTION "GPU-Accelerated Fast Fourier Transforms"
  HOMEPAGE_URL "https://docs.nvidia.com/cuda/cufft/index.html"
  LANGUAGES CXX CUDA)

find_package(CUDAToolkit REQUIRED)

set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

if("${CMAKE_BUILD_TYPE}" STREQUAL "")
  set(CMAKE_BUILD_TYPE Release)
endif()

if(CMAKE_CUDA_ARCHITECTURES LESS 60)
  set(CMAKE_CUDA_ARCHITECTURES 60 70 75 80 86 90)
endif()

set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
set_source_files_properties(${ROUTINE}_example.cpp PROPERTIES LANGUAGE CUDA)
add_executable(${ROUTINE}_example)

target_include_directories(${ROUTINE}_example
                           PRIVATE ${CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES} 
                           ${CMAKE_SOURCE_DIR}/../utils)

target_sources(${ROUTINE}_example
               PRIVATE ${PROJECT_SOURCE_DIR}/${ROUTINE}_example.cpp)

target_link_libraries(${ROUTINE}_example PRIVATE CUDA::cufft CUDA::cudart)
